sav1: I was fairly concerned about the car sitting outside for 3-4 months, and with earthquakes, tsunamis (sp?) and everything else wasn't the best feeling.
But when it arrived the other week overall the paint was still in very good condition for its age, although a little dulled probably from sitting outside all that time. With some heavy work on the cut & polish, and a hefty wax has come up really well. No signs of rust anywhere on the car or anything.
If the paint is already on its last legs, sitting outside may break it down fairly quickly, but otherwise, if the paint is good - sitting outside I don't think is going to make it go from great to terrible.